Observations

Testers upload observations each time they test at a location. Each individual observation report shows you the measurements taken on a specific day at a specific location. What's this?

60,245 observations

+572 new observations added in the past 30 days

Grand Glaize Creek at Sulpher Springs Road : Grand Glaize Creek

Ballwin, Missouri, United States

Observed by
Danelle Haake
Sun, 28 Oct 2018 00:00:00 +0000

North Shore 555 : Black Lake (Stanleyville)

Ontario, Canada

Observed by
Susan Dubreuil
Sat, 27 Oct 2018 18:37:00 -0400

Pefferlaw River Pond : Pond at Pefferlaw River Source

Uxbridge, Ontario, Canada

Observed by
Don Ross
Sat, 27 Oct 2018 13:45:00 -0400

Off the dock for 4221 Lewis Loop Road South Theodore, Al 36582 : Fowl River

Theodore, Alabama, United States

Observed by
Theodore F. Henken
Sat, 27 Oct 2018 11:00:00 -0500

Dykes Creek @ Fowl River Rd. : Dykes Creek

Theodore, Alabama, United States

Observed by
Theodore F. Henken
Sat, 27 Oct 2018 10:00:00 -0500

Camp Opemikon : Christie Lake

Ontario, Canada

Observed by
Alex Gazaleh
Sat, 27 Oct 2018 10:10:00 -0400

McGee Creek at Centennial Park Road : McGee Creek

Ontario, Canada

Observed by
Meagan Coughlin
Fri, 26 Oct 2018 15:50:00 -0400

Perch Creek at Doyle Road : Perch Creek

Ontario, Canada

Observed by
Meagan Coughlin
Fri, 26 Oct 2018 15:00:00 -0400

Perch Creek Headwaters : Perch Creek

Ontario, Canada

Observed by
Meagan Coughlin
Fri, 26 Oct 2018 14:00:00 -0400

UNT at Bay Rd : UNT to Dykes Creek

Theodore, Alabama, United States

Observed by
Ellie Mallon
Fri, 26 Oct 2018 10:56:00 -0500

10600 Thomas Rd : UNT to Dykes Creek

Theodore, Alabama, United States

Observed by
Ellie Mallon
Fri, 26 Oct 2018 10:54:00 -0500

Downstream of Laurin Island : Ottawa River

Ontario, Canada

Observed by
Louis Lafontaine
Fri, 26 Oct 2018 09:56:00 -0400

Hawkesbury Mid-Channel : Ottawa River

Quebec, Canada

Observed by
Louis Lafontaine
Fri, 26 Oct 2018 09:10:00 -0400

El Faro : Pacific Ocean

California, United States

Observed by
PFEA/Tijuana Waterkeeper
Thu, 25 Oct 2018 13:04:00 -0700

Parque México : Pacific Ocean

Baja California, United States

Observed by
PFEA/Tijuana Waterkeeper
Thu, 25 Oct 2018 12:44:00 -0700

Cañada Azteca : Pacific Ocean

Baja California, Mexico

Observed by
PFEA/Tijuana Waterkeeper
Thu, 25 Oct 2018 12:24:00 -0700

El Vigia : Pacific Ocean

Baja California, Mexico

Observed by
PFEA/Tijuana Waterkeeper
Thu, 25 Oct 2018 11:19:00 -0700

Playa Blanca : Pacific Ocean

Baja California, Mexico

Observed by
PFEA/Tijuana Waterkeeper
Thu, 25 Oct 2018 11:19:00 -0700

Carp River at Hope Cloutier Park / Clarence Maheral Park : Carp River

Ottawa, Ontario, Canada

Observed by
Kanata Montessori High School
Thu, 25 Oct 2018 13:22:00 -0400

Muddy Creek at Laurendine Rd : Muddy Creek

Theodore, Alabama, United States

Observed by
Ellie Mallon
Thu, 25 Oct 2018 11:00:00 -0500